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Credit
Electro-physiology, a scientific, popular, and practical treatise on the prevention, causes, and cure of disease, or, Electricity as a curative agent : supported by theory and fact / by Gershom Huff. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)